Rounding - math word problems - page 21 of 28
Number of problems found: 542
- Percentages
Calculate the percentages to two decimal places: a / 15 min in 4 hours B / 35 cm² of 12.5 dm² c / 2dm² of 400 cm² D / 0.2 liters from 2.2 liters - Euclid theorems
Calculate the sides of a right triangle if leg a = 6 cm and a section of the hypotenuse, which is located adjacent to the second leg b, is 5cm. - Hall
The rectangular hall will have to pave with square tiles with a side length of 15 cm. The hall has a length of 18 meters and a width of 3 m. How many tiles need to buy if 2 percent of the amount is disrupted during the work? - Intervals 3487
The four teams left the terminal together at 5:00 in the morning. Line A runs at 15-minute intervals, line B at 6-minute intervals, line C at 20-minute intervals, and line D at 8-minute intervals. What time did all four lines leave the terminal together a - The factory
The factory ordered 500 hexagonal steel bars in square sections with 25 mm sides. Suppose the steel density is 7,850 kg. m-3, how many cars with a load capacity of 3 tonnes will be needed to move the bars? - Popsicles 3419
Karel could buy 25 popsicles for 0.69 euros for the money saved. How many comics could you buy with this money if one costs 2.62 euros? - Dimensions 3408
The room has 4m, 5m, and 2.4m dimensions. Suppose one can is enough to paint 10 m². How many cans of paint are needed to paint the walls and ceiling of this room? - Loading car
The car was loaded with 78 boxes weighing 19 kg. If the total weight is the same, how many 25kg boxes can it load? - Material 3207
How many screws can we make from a rod whose weight is 3 3/4 kg if the weight of the screw is 3/16 kg and we count 3/20 of the material? - Tiles
How many 20 cm and 30 cm tiles can build a square if we have a maximum of 100 tiles? - Mineralka 3168
Petr bought 0.35 kg of ham, six rolls, and mineral water for a snack. How much did he pay for the purchase? (Mineralka costs 14.60 CZK, a roll 3.40 CZK, and a kilogram of ham 129 CZK). They rounded up the purchase to whole crowns. - Dimensions 3155
Míša bought an aquarium in the shape of a cuboid with bottom dimensions of 30 cm x 15 cm and a height of 20 cm. The seller advised him to fill the aquarium with water only to a height of 15 cm. How many swordfish can Micho buy for the aquarium if he knows - Cylinder
A 1-meter diameter cylinder is 1413 liters of water, which is 60% of the cylinder. Calculate the cylinder height in meters, do not write the units. Please the resulting value round and write it as an integer. - Centimeters 3131
111 square centimeters of sheet metal are used to produce one part. How many of the most parts can we make from sheet metal with dimensions of 3 m wide and 0.75 m long? - Dimensions 3073
The room has 4m, 5m, and 2.4m dimensions. How many cans of paint are needed to paint the walls and ceiling of this room? If one can, is it enough for ten m²? - Salary increase
Ms. Merry's salary increased by 15%, which was 83 euros. What should you pay before the increase? - Sum and rounding
I know two numbers whose sum is 20. When each round and then added together, I get the 30. What are these numbers? - Fractions 2778
Three glasses are to be filled with lemonade. One can hold a quarter of a liter, the second a third of a liter, and the third 0.4 liters. How many 0.33l bottles will we need, and how much lemonade will be left in the last bottle? Express in fractions. - Containers 2686
One m³ of wood weighs 650 kg, of which 12% is water. How many 10-liter containers do we need for this amount of water? - Pins
Sarah bought nine pins, and Eva bought four pins and saved 2 euros. How many pins did Dana buy when she had 3 euros?
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